$ git clone -n https://src.fedoraproject.org/rpms/perl-Math-Geometry-Voronoi.git /var/lib/mock/f31-build-44502-26228/root/thebuilddir/tmp/scmroot/perl-Math-Geometry-Voronoi
Cloning into '/var/lib/mock/f31-build-44502-26228/root/thebuilddir/tmp/scmroot/perl-Math-Geometry-Voronoi'...
$ git reset --hard 6259d50298e61a83d22a927a1a42fda73f8e1b4c
HEAD is now at 6259d50 Perl 5.30 rebuild